/* Carré PHOTO — design system partagé */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&display=swap');

:root {
    --font-sans: 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
    --font-mono: 'SFMono-Regular', Consolas, 'Liberation Mono', Menlo, monospace;

    --bg: #f4f5f7;
    --surface: #ffffff;
    --surface-2: #f8f9fb;
    --border: #e4e7ec;
    --border-strong: #d0d5dd;

    --text: #101323;
    --text-muted: #5c6178;
    --text-faint: #8b90a5;

    --brand: #17182b;
    --brand-hover: #2a2c46;
    --accent: #4f46e5;
    --accent-hover: #4338ca;
    --accent-soft: #eef0fe;

    --success: #12875a;
    --success-soft: #e7f7ef;
    --success-border: #a6e6c6;
    --warning: #b7791f;
    --warning-soft: #fff6e0;
    --warning-border: #f5d98b;
    --danger: #d13438;
    --danger-soft: #fdeceb;
    --danger-border: #f5b9b8;
    --info: #2563eb;
    --info-soft: #eaf1ff;
    --info-border: #bfd6fd;

    --radius-sm: 8px;
    --radius: 12px;
    --radius-lg: 18px;
    --radius-full: 999px;

    --shadow-sm: 0 1px 2px rgba(16, 19, 35, 0.06);
    --shadow: 0 4px 16px rgba(16, 19, 35, 0.08);
    --shadow-lg: 0 12px 32px rgba(16, 19, 35, 0.12);

    --ring: 0 0 0 3px rgba(79, 70, 229, 0.22);
}

@media (prefers-color-scheme: dark) {
    :root {
        --bg: #0d0e16;
        --surface: #161826;
        --surface-2: #1d1f30;
        --border: #2b2d42;
        --border-strong: #3a3d5c;

        --text: #f1f2f8;
        --text-muted: #a3a6c2;
        --text-faint: #71749a;

        --brand: #e9eafc;
        --brand-hover: #ffffff;
        --accent: #7c74f1;
        --accent-hover: #948dff;
        --accent-soft: #262a4d;

        --success: #3ddc97;
        --success-soft: #12301f;
        --success-border: #1f4d33;
        --warning: #f0b849;
        --warning-soft: #35290c;
        --warning-border: #5a4416;
        --danger: #ff6b6b;
        --danger-soft: #3a1616;
        --danger-border: #5c2222;
        --info: #6ea8fe;
        --info-soft: #142440;
        --info-border: #1f3a63;

        --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
        --shadow: 0 4px 20px rgba(0, 0, 0, 0.35);
        --shadow-lg: 0 16px 40px rgba(0, 0, 0, 0.45);
    }
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    color-scheme: light dark;
}

body {
    font-family: var(--font-sans);
    background: var(--bg);
    color: var(--text);
    min-height: 100vh;
    -webkit-font-smoothing: antialiased;
}

::selection {
    background: var(--accent-soft);
    color: var(--accent);
}

a {
    color: var(--accent);
}

.icon {
    display: inline-flex;
    width: 1em;
    height: 1em;
    stroke: currentColor;
    vertical-align: -0.15em;
    flex-shrink: 0;
}

.icon-inline {
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

/* Layout shells */
.page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 32px 16px;
}

.card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    width: 100%;
}

.card--wide {
    max-width: 1280px;
    padding: 28px;
}

.card--narrow {
    max-width: 620px;
    padding: 36px;
}

/* Header / brand */
.brand-header {
    text-align: center;
    margin-bottom: 24px;
}

.brand-mark {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-size: 1.7em;
    font-weight: 800;
    letter-spacing: -0.02em;
    color: var(--text);
}

.brand-mark .icon {
    width: 1.1em;
    height: 1.1em;
    color: var(--accent);
}

.page-subtitle {
    text-align: center;
    color: var(--text-muted);
    margin-top: 4px;
    font-size: 0.98em;
}

.eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--text-muted);
    font-weight: 600;
    font-size: 0.95em;
    margin-bottom: 4px;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    width: 100%;
    padding: 13px 20px;
    background: var(--brand);
    color: #fff;
    border: none;
    border-radius: var(--radius-full);
    font-family: inherit;
    font-size: 1em;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.15s ease, transform 0.15s ease, box-shadow 0.15s ease;
    box-shadow: var(--shadow-sm);
}

.btn:hover:not(:disabled) {
    background: var(--brand-hover);
    transform: translateY(-1px);
    box-shadow: var(--shadow);
}

.btn:active:not(:disabled) {
    transform: translateY(0);
}

.btn:disabled {
    opacity: 0.45;
    cursor: not-allowed;
}

.btn:focus-visible {
    outline: none;
    box-shadow: var(--ring);
}

.btn-auto { width: auto; }
.btn-sm { padding: 8px 16px; font-size: 0.85em; border-radius: var(--radius-full); }
.btn-accent { background: var(--accent); }
.btn-accent:hover:not(:disabled) { background: var(--accent-hover); }
.btn-success { background: var(--success); }
.btn-success:hover:not(:disabled) { filter: brightness(1.05); }
.btn-danger { background: var(--danger); }
.btn-danger:hover:not(:disabled) { filter: brightness(1.08); }
.btn-secondary { background: var(--surface-2); color: var(--text); border: 1px solid var(--border-strong); box-shadow: none; }
.btn-secondary:hover:not(:disabled) { background: var(--border); }
.btn-ghost { background: transparent; color: var(--text-muted); box-shadow: none; width: auto; padding: 8px 12px; }
.btn-ghost:hover:not(:disabled) { background: var(--surface-2); color: var(--text); }

/* Inputs */
.field { margin-bottom: 18px; text-align: left; }

.field label {
    display: block;
    margin-bottom: 7px;
    color: var(--text);
    font-weight: 600;
    font-size: 0.92em;
}

.field .hint {
    font-size: 0.82em;
    color: var(--text-faint);
    margin-top: 6px;
}

input[type="text"],
input[type="password"],
input[type="email"],
input[type="number"],
input[type="search"],
select {
    width: 100%;
    padding: 11px 14px;
    border: 1.5px solid var(--border-strong);
    border-radius: var(--radius-sm);
    font-size: 0.96em;
    font-family: inherit;
    background: var(--surface);
    color: var(--text);
    transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

input::placeholder { color: var(--text-faint); }

input:focus,
select:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: var(--ring);
}

input[type="range"] {
    padding: 0;
    height: 6px;
    background: var(--border);
    border: none;
    border-radius: 4px;
    outline: none;
    -webkit-appearance: none;
    width: 100%;
}

input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: var(--accent);
    cursor: pointer;
    box-shadow: var(--shadow-sm);
}

input[type="range"]::-moz-range-thumb {
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: var(--accent);
    cursor: pointer;
    border: none;
}

/* Toggle switch */
.toggle-switch {
    position: relative;
    width: 42px;
    height: 24px;
    flex-shrink: 0;
    display: inline-block;
}

.toggle-switch input {
    opacity: 0;
    width: 0;
    height: 0;
}

.toggle-switch .slider {
    position: absolute;
    inset: 0;
    background: var(--border-strong);
    transition: 0.2s;
    border-radius: var(--radius-full);
    cursor: pointer;
}

.toggle-switch .slider::before {
    position: absolute;
    content: "";
    height: 18px;
    width: 18px;
    left: 3px;
    top: 3px;
    background: #fff;
    transition: 0.2s;
    border-radius: 50%;
    box-shadow: 0 1px 3px rgba(0,0,0,0.25);
}

.toggle-switch input:checked + .slider {
    background: var(--accent);
}

.toggle-switch input:checked + .slider::before {
    transform: translateX(18px);
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
    color: var(--text);
    font-size: 0.93em;
}

/* Callouts */
.callout {
    display: flex;
    gap: 12px;
    padding: 14px 16px;
    border-radius: var(--radius);
    margin-bottom: 20px;
    border: 1px solid;
    font-size: 0.92em;
    line-height: 1.55;
}

.callout .icon { margin-top: 2px; }
.callout h3 { font-size: 1em; margin-bottom: 4px; font-weight: 700; }
.callout ul { margin: 8px 0 0 18px; }
.callout li { margin-bottom: 4px; }

.callout--info { background: var(--info-soft); border-color: var(--info-border); color: var(--info); }
.callout--warning { background: var(--warning-soft); border-color: var(--warning-border); color: var(--warning); }
.callout--success { background: var(--success-soft); border-color: var(--success-border); color: var(--success); }
.callout--danger { background: var(--danger-soft); border-color: var(--danger-border); color: var(--danger); }

.callout--info h3, .callout--warning h3, .callout--success h3, .callout--danger h3 { color: inherit; }
.callout p, .callout a { color: inherit; }

/* Status / message banners (replace old .error / .success blocks) */
.banner {
    display: none;
    align-items: center;
    gap: 10px;
    padding: 13px 16px;
    border-radius: var(--radius);
    margin-bottom: 18px;
    border: 1px solid;
    font-size: 0.94em;
    font-weight: 500;
}

.banner.active { display: flex; }
.banner--danger { background: var(--danger-soft); border-color: var(--danger-border); color: var(--danger); }
.banner--success { background: var(--success-soft); border-color: var(--success-border); color: var(--success); }

/* Badges */
.badge {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    padding: 3px 11px;
    border-radius: var(--radius-full);
    font-weight: 600;
    font-size: 0.82em;
    background: var(--success-soft);
    color: var(--success);
    border: 1px solid var(--success-border);
}

.badge--warning { background: var(--warning-soft); color: var(--warning); border-color: var(--warning-border); }
.badge--danger { background: var(--danger-soft); color: var(--danger); border-color: var(--danger-border); }
.badge--neutral { background: var(--surface-2); color: var(--text-muted); border-color: var(--border); }

/* Spinner */
.spinner {
    display: inline-block;
    width: 18px;
    height: 18px;
    border: 2.5px solid var(--border);
    border-top-color: var(--accent);
    border-radius: 50%;
    animation: spin 0.7s linear infinite;
    flex-shrink: 0;
}

.spinner-lg { width: 34px; height: 34px; border-width: 3px; }

@keyframes spin {
    to { transform: rotate(360deg); }
}

.icon.spin {
    animation: spin 0.9s linear infinite;
}

.loading-block {
    display: none;
    text-align: center;
    margin: 18px 0;
    color: var(--text-muted);
}

.loading-block.active { display: block; }

/* Back link */
.back-link {
    text-align: center;
    margin-top: 22px;
}

.back-link a {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    color: var(--text-muted);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.92em;
    transition: color 0.15s ease;
}

.back-link a:hover { color: var(--accent); }

.no-data {
    text-align: center;
    padding: 36px;
    color: var(--text-faint);
    font-style: italic;
}

/* Scrollbar (webkit) */
::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border-strong); border-radius: 999px; }